(a) 8 x 104 + 6 x 103 + 0 x 102 + 4 x 101 + 5 x 100 = 86045
(b) 4 x 105 + 5 x 103 + 3 x 102 + 2 x 100 = 405302
(c) 3 x 104 + 7 x 102 + 5 x 100 = 30705
(d) 9 x 105 + 2 x 102 + 3 x 101 = 900230
Write equations for the following statements:
(i) The sum of numbers x and 4 is 9.
(ii) 2 subtracted from y is 8.
(iii) Ten times a is 70.
(iv) The number b divided by 5 gives 6.
(v) Three-fourth of t is 15.
(vi) Seven times m plus 7 gets you 77.
(vii) One-fourth of a number x minus 4 gives 4.
(viii) If you take away 6 from 6 times y, you get 60.
(ix) If you add 3 to one-third of z, you get 30